# Sorto vs PDFKit

The clearest difference is in-app purchases: Sorto at none against PDFKit's 1. PDFKit's advantage is iOS requirement (15.1 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PDFKit sells 1 one-off in-app purchase. Sorto asks for nothing beyond the download.

Sorto ships an update every 2 months, PDFKit every 6 weeks. Both last shipped on November 5, 2026.

## The numbers

| Metric | Sorto | PDFKit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Size | 11 MB | 90 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ehsan azish](https://appshunter.io/developer/1622575303) | [SEDX LLC](https://appshunter.io/developer/6776048808) |

## What reviewers say

### Sorto

[App page](https://appshunter.io/ios/app/sorto-smart-email-assistant/id6760287842)

**Features:** macOS Compatibility

**In-app purchases:** none


### PDFKit

[App page](https://appshunter.io/ios/app/pdfkit-pdf-editor-and-tools/id6776394936)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Tools | $1.99 | one-time |


## Frequently asked questions

### Is Sorto free?

Sorto is free to download, with no in-app purchases.

### Is PDFKit free?

PDFKit is free to download, with in-app purchases available.

### Do Sorto or PDFKit have ads?

Neither Sorto nor PDFKit shows ads.

### Which is updated more often, Sorto or PDFKit?

Sorto ships an update every 2 months, and PDFKit every 6 weeks. Most recently, Sorto was updated on November 5, 2026 and PDFKit on November 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*